Heel-breasting machine.



J. H. POPE.

HEEL BRBASTING MACHINE.

APPLICATION FILED JUNE15. 1907.

Patented Feb. 18, 1913.

Vw TNESSES.

' Machines,

such trippin Unirse STAT- ns PATENT ornicn.

JQSEIH H. POPE, BAMQHLTQN, QIASSACHUSETTS, ASSIGNOR TO UNITED. SOE MACHINERY COMPANY, JERSEY, A QQRPGBATION 0F NEW JERSEY.

f EE-ennesiine MACHEN?,

Patented Feb. d8, 31913.

- Application tiled June in, 1553i?. Serial No.879373.

To all rwwm t may concern:

Be it known that Jessen H. korn, a citizen of the United States, residing at Hamilton, inths'county of Essex and lGommonwealth of Massachusetts, have invented certain Improvements in Hee-l-Breasting of which the following description, in connection with the accompanying drawings, is a specication, like reference characters onthe drawings indicating like parts in the several figures.

' This invention relates to machines in which it is desired to limit, at apredetermined point, the effective stroke of a too in its operation upon stock. As herein shown, it is applied to a machine wherein the full stroke of the actuating mechanism is greater than that desired to be given to the operating tool. v

The invention also embodies means for adjusting the point of termination of the stroke-of such tool, independent of the actuating mechanism.

I have herein shownI the invention ernbodied in a heel breasting machine used in the manufacture or" boots and slices, but in the broader scope' of the invention it is not .to be limited to use in such machines.

the preferred form herein shown, l apply this invention to limiting the effective stroke of the breasting knife in a heel breast`` into the sole.

In heel breasting machines heretofore in use, lmeans to limit the stroke of the .breasting knife have'been employed, usually consistin of a tripping device which is actuated y an arm or bunter striking against the shank of the shoe being operated upon, device serving to disconnect the knife rom its driving mechanism.

lWhile this device which utilized the shank of the shoe in connection with a bunter and tripping device was suiiiciently accurate in operating upon the larger sizes of shoes, 1t was found to be entirely inaccurate and unsatisfactory in breasting certain small sizes and grades such as chlldrens shoes. The

such shoes being short, a bunter if employed would strike the incline of the shank at orl n ear the hall of the shoe and hence the eective operation of a bunter upon such Shanks varies too much to permit of its use.

rlhis invention consists of a device to stop the eective stroke of the breasting knife at a predeterminedpoint. It is herein shown as tripping the clutch to disconnect the knife from its, actuating mechanism at a predetermined' point., This predetermined point may and preferably will be adjustably fixed with relationv to a work support for the shoe -being operated upon, andthe device will act atthe pointso determined irrespective of the heightof the heel, orthe incline, resiliency or thickness of the shank. lt is therefore peculiarly advantageous in connect-ion with the heel breasting opera.-

tion on many grades of child-rens shoes, though it is also applicable to any size or grade of shoe. The heel `breast-ing operation on the larger grades of shoes, such as niens and womens, is usually performed while a last-,or follower is in the shoe, and this requires a work support comprising a heel spindle and a toe saddle, which are well known in the art. In the smsiier grades of misses and childrens shoes the heel breasting operation-is usually performed without a last or follower being in the shoe and in the machine herein shown a work support having a heel plate only is required, which plate contacts with the innersole at the heel seat of the shoe to he breasted. A toe saddle could be em ployed if desired. p j

The drawings illustrate my invention as applied to :i type of machine generally in use and well known in the art and which will therefore be onlyY brieiiy described.

The features of the invention, including details of construction and combination of parts will now be described and further defined in the claims. v

Figure i is a side elevation of a machine in which is incorporated one form of my invention; Fig. 2 is a front elevation of the upper part of the machine, with portions broken away: Fig. B is an enlarged detail, in perspective, and with portions broken aw ay,

more particularly illustrating the invention.

In the machine illustrated in the drawings, 1 designates the frame in which a shaft is mounted carrying a small crank 2, shown in dotted lilies, on one end and a driving pulley 3 on the other end. The driving pulley may be connected by a belt to any suitable source of power. 5 is a link connecting said crank with a driver or actuator 7 mounted to slide vertically in guideways on the frame 1. A knife carrier 8 is also arranged to slide vertically in guideways on the frame 1, and motion is communicated by the driver or actuator 7 tothe carrier S through a clutch member 10. -This member 10 is pivoted at 1.1 to the carrier 8 and when in a. vertical position it is in line with another clutch member or roller E mounted in the driver 7. A spring 1li, secured at one end to the frame and at the other end to a plate bolted to the carrier 8, counter-bah ances the weight of the carrier and assists in .raising and maintaining it in uppermos position.'` 1n addition to said spring the carrier is positively raised during the upward n'uneinent of the driver by means of a plate 26 extending over the top of the driver. A piece of elastic material 27 may be disposed between the top of the driver and the plate Q6. Thus when the member l() is in its vertical posit-ion and the driver 7 and carrier 8 are in their uppermost position, the upper end et the member- 10 is in contact with the roll 12, and the driver or actuator is thus clutched to the knife carrier, as clearly shown in Fig. 3. By this construction, the downward motion of the driver 7 caused by i'novernent o'l the crank 2 is imparted to the lt'oi'te carrier through said member it), and downward movement of the carrier can be checked at any time during the stroke of the driver by moving the upper end of the member 10 out of contact with the roll 19. and thus unclutching the knife from its actuator.

16 is a two-arm lever, pivotally mounted on the stud 11, and having an arm arranged to contact with the member 10, the other arm 17 being in line with an adjustable stop or clutch opener 19 threaded through a rigid extension 20 of the frame 1. Thus in the descent ot the driver and carrier, when the arm 17 of said lever contacts with the stop 19, the member" 10 is thrown out of acting contact with the roll 12 on the. driver and the downward movement of the carrier is checked vwhile thc driver continues its stroke. A spring serves to move the member 10 back to vertical posi tion duringr the upward movement of the driver. rl`he. projection. Q4 on the lever serves lo contact with a portion of the carrier and in connection with the spring holds the lever in the position shown in Fig. 3.

Yknife 30 is adjustably clamped in a laterally projecting portion of the carrier 8 by the set screws 31. The back of the knife bears against the screws 3Q which are threaded through a block 33 rigidly secured to or integral with the carrier 8.

An adjustable work support 35, carrying a suit-able heel plate 36, to support-a shoe to be operated upon, is arranged in position to coperate with the breasting knife. illleans to secure the heel is also provided comprising a heel plate Si@ and an operating device 3S) actuated by the rod 40 attached to the foot treadle 44. Thus during the first portion of the depression of the foot treadle the plate 38 is yieldingly held down upon the top lift of the shoe about to be operated upon. Such device is well-known and need not be particularly described.

yThe heel plate 36 on the work support determines the position of the innersole at the heel seat of the shoe to be operated upon, and the stop 19 may be adjusted with relation to such heel plate either before or after the shoe is positioned thereon. In practice, adjustment will usually be to allow for t. thickness ot' the shank as fixing the point to check the knife in its cutting stroke.

liechanism to start and automatically stop the rotation of the main shalt, whereby the crank 2 will be given one rotative movement and the driver 7 is reciprocated down and up, is arranged to ne actuated by the ft treadle 4:4. Any suitable mechanism ch will give a single rotation to said s tt may be employed, and, as the same orm no part of this invention and is wellknown and used in the art, it. is not particua-.iy described. v

.ln operating the machine, the werk support may be adjusted for height and the ketel., '19 is adjusted to cmitaet with the arm 17 of lever 16 to trip the member 10, disconnect the knife from its actuating driver, and thereby stop the knife at the point desired. A shoe is fitted over the work support and the treadle depressed, first bringing the heel plate 38 down upon the heel, and later actuating the driving shaft to turn one revolution, moving the driver 8 downward and then upward, making one complete reciprocation therefor. .Darin the downward movement when the knife ias made the desired cuty the lever 16 strikesagainst the stop 19 and the member 10 is moved to the right, disconnecting the knife carrier S from the driver and stopping the cutting movement of the knife. During the upward movement of the driver, the. spring Q2 forces the member 10 back into vertical position soon as the roll 'l2 has been raised high enough to permit this more i nient and the carrier and actuator are again 'los the arm 10 pivotally mounted on the knife' clutched or locked together.v The top of the driver contacting with the plate 26 lifts the carrier in addition to the action of spring 14, and the mechanism is in position for another operation. y

Having described my invention, what I claim las new and desire to secure by Letters Patent of the United States is 1. In a machine of the class described, a movable knife, mechanism to actuate the knife,.means comprising a rotary member, a swinging member and a stationary adjustable stop on the machine frame whereby the knife may be freed from the knife moving mechanism ata predetermined point in the .movement of the said knife.

' the carrier, power means for giving the actuator a constant "stroke, and means for unlocking the carrier from its actuator at a predetermined point in the movement of the actuator.

3. In a heel breasting machine the combination with the knife carrier'? 'and its actuator 8 having the roll or abutment 12, of

carrier and having cooperating with it the ltwo-armed member 16 pivoted to the car-` rier and having one arm arranged to engage the arm 10 and to swing it from operative relation with the roll 12 and a stationary adjustable stop 19 larranged in the path of the other arm of member 16, said parts operating to disconnect theknife carrier from its actuator at a selected point in the knife stroke independent of the shoe.

4. In a heel breasting machinethe combination of a frame, a knife actuator 7, a knife carrier 8, said actuator and carrier being mounted in the frame for sliding movement parallel to each other, an arm 10 pivoted to the carrier, a member 16 pivoted to the carrier and normally' engaging said arm, a stop screw 19 arranged 1n the path of'said member to be engaged thereby at a predetermined point in the movement of the carrier and cause pivotal movement of thc member-16 inthe direction to free the carrier arm 10 from the actuator roll 12, and a; spring 14 acting to retract the carrier as soon as it is freed from the actuator'.

5. In a heel breasting machine, a knife carriermounted for reciprocation, an actuator lmounted for" movement adjacent the said carrier, a roll mounted on said actuator,'an arm pivoted to saidcarrier and adapted to be engaged by said roll during the initialmovement of the actuator, trippin means for disengaging said arm from sai roll and means independent of the parts named and of the Work for 'engaging said tripping means.

6. In a heel breasting machine. a mite carrier mounted for reciprocation, an actuator mounted for movement adjacent the saidcarrier, a roll mounted on said actuator, an arm pivoted to said carrier and adapted to be engagedl by said roll during yfor vertical reciprocation in said frame adjacent each other, rotary means upon the actuator and swinging means upon the carrier whereby downward pressure of said rotary means upon said swinging means will positively actuate the carrier down- Wardly for a portion of the movement of the actuator, and means independent of the shoe for swinging said swinging means from beneath said rotary means to free the carrier from the actuator. Y

8. A power heel breasting machine, having in combination, a knife carrier, a power j driven actuator unyieldingly actuated through a predetermined stroke, a clutch connecting the knife carrierv to the actuator, a shoe support and a clutch opener adjustable relatively to the shank of a shoe on the support to free the knife vcarrier from the actuator when the knife reaches the shoe shank.

9. A power heel breasting machine, having in combination, a knife carrier, a power driven actuator unyieldingly actuated through a predetermined stroke, a clutch connecting the knife carrier ,to the actuator, a shoe support, and a clutch opener adjustable l,in a fixed supportand located in the path of one of the clutch members.

' 10. In a heel breasting machine, an actuator having a constant range of movement to and fro, power means for moving the same, a knife carrier mounted for movement alongside the actuator, coperating devices on the carrier and on the actuator respectively to cause a predetermined portion of the movement ofthe actuator to be communicated tothe carrier, said means including an adjustable sto independentpof the work and act-ing to el ect discontinuance of the movement of the carrier after said predetermined movement thereof has taken place.

l1. In a heel breasting machine, a knife carrier slidingly mounted, ,j an actuator mounted for movement adjacent to the carrier, power means for giving the actuator a constant range of movement, cooperating devices on the carrier and on theactuator respectively for looking the carrier positively to the actuator, and adjustable means independent of the said .parts and of the Work for unlocking the carrier from the aetuator at a predetermined point in the movement of the actuator.

l2. ln a heel breasting machine, a knife carrier mounted for reciprocation, a lrnife actuator, power means forgiving the actuator a constant stroke, means foripositively looking the actuator to the carrier for n portion of the stroke and an adjustable stationary stop for freeing the carrier from the actuator at a predetermined point in its travel.

In testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.

JOSEPH H. POPE.

Witnesses ARTHUR L. RUSSELL, JAMES R. Hennen. 

